Method of forming a molecularly polarized polmeric sheet into a

Details Method of forming a molecularly polarized polmeric sheet into a Method of forming a molecularly polarized polmeric sheet into a

1988-12-20

1991-01-15

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

264 22, B29C 5100

Patent

active

049851950

ABSTRACT:
A method for forming sheets of polarized PVDF into non-planar shaped bodies is described. The technique includes the steps of shaping the polymer material by disposing a sheet of the polymer material about a non-planar surface and subjecting the sheet of polymer material and said non-planar surface to an elevated temperature for a predetermined period of time until said non-planar shape is permanently imparted to the sheet of molecularly polarized polyvinylidenefluoride material.

REFERENCES:
patent: 4384394 (1983-05-01), Lemonon et al.
patent: 4403382 (1983-09-01), Facoetti et al.
patent: 4508668 (1985-04-01), Bronssoux et al.

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